Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-04-04 Thread Eric Chua
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important; padding-left:1ex !important; background-color:white !important; } I need some direction.  It seems like the solution was to use  -XX:MinHeapFreeRatio=25 -XX:MaxheapFreeRatio=50 While looking at

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Eric Chua
I use free -m , ps and top.  I have three separate web applications.  One that runs one Tomcat7/Java 7, one built on Java8/Tomcat8 and one that  was converted from Java7/Tomcat7 to Java8/tomcat8.  When running our Java 7 application, it takes very little memory running on windows and Linux. For

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread calder
On Mon, Mar 20, 2017 at 4:46 PM, Eric Chua wrote: > siteadm@mavs01web11q:/data/tools/jvmtop $ top -U siteadm > > top - 12:41:20 up 19 min, 3 users, load average: 1.25, 1.24, 0.87 > > Tasks: 130 total, 1 running, 129 sleeping, 0 stopped, 0 zombie > Cpu(s):

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Aurélien Terrestris
"I think you are chasing a ghost that isn't actually there." I agree with Chris. You should try to clean the caches and I believe that you will see your memory back "free". Have a look at how to do it here :

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Eric Chua
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important; padding-left:1ex !important; background-color:white !important; } When I run my application in a windows environment I use a few hundred megabytes.  When I use RHL, it takes up the entire 16gb

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Thomas Meyer
With kind regards Thomas > Am 17.03.2017 um 14:54 schrieb Christopher Schultz > : >> Note that Java *never* gives any memory back to the OS, even when the > heap-usage goes down. This is a Java thing, not a Tomcat thing. > Are you sure about this? I think I've

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Eric Chua
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important; padding-left:1ex !important; background-color:white !important; } I took a based configuration right from the tar file and started tomcat.  I only changed the http and ajp port numbers. I

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Eric Chua
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important; padding-left:1ex !important; background-color:white !important; } Also the configuration files were taken from tomcat 7.  Could there be an issue there? Sent from Yahoo Mail for iPhone On

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Eric Chua
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important; padding-left:1ex !important; background-color:white !important; } That is correct and baffling.  My user doesn't own that memory and the unix admin keeps saying it is an issue with a memory leak

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread tomcat
Hi. I will exceptionally contravene the usual rules of this list, which are to not top-post. But your message below is so badly-formatted, that a comment in the middle would be difficut to read otherwise. One thing attracted my attention below : you mention that "the entire memory was being

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Eric Chua
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important; padding-left:1ex !important; background-color:white !important; } I used jvmtop.  The web application used the entire 16gb and the allocated heap.  The report I was running never finished ARGS:

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Eric Chua
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important; padding-left:1ex !important; background-color:white !important; } siteadm   2007 1  7 11:04 pts/0    00:00:00 /data/java/jdk1.8.0_121/bin/java

Re: [OT] Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread tomcat
On 20.03.2017 09:36, Olaf Kock wrote: Am 20.03.2017 um 09:30 schrieb André Warnier (tomcat): One may wonder in fact : if when resizing the Heap downwards, the JVM is anyway not going to give the surplus memory back to the OS, then why bother ? what is the surplus ex-Heap memory then used

Re: [OT] Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Mark, On 3/18/17 2:58 PM, Mark Eggers wrote: > I also have a lot of systems running on AWS Elastic Beanstalk, but > right now those systems are stock AWS AMI images. > > They're running AWS's repackaged Tomcat 8.0.41, and OpenJDK > 1.8.0_121-b13.

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Erir, On 3/18/17 2:09 AM, Eric Chua wrote: > Thanks for getting back to me. The Linux version is 6.8. I am > unable to reclaim the memory on the system without a reboot . > Though i kill my process, i dont see where the memory went. When I > run

Re: [OT] Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread Olaf Kock
Am 20.03.2017 um 09:30 schrieb André Warnier (tomcat): > One may wonder in fact : if when resizing the Heap downwards, the JVM > is anyway not going to give the surplus memory back to the OS, then > why bother ? what is the surplus ex-Heap memory then used > interestingly for, by the JVM ?

Re: [OT] Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-20 Thread tomcat
On 19.03.2017 20:33, Olaf Kock wrote: Am 19.03.2017 um 13:37 schrieb André Warnier (tomcat): On 17.03.2017 14:54, Christopher Schultz wrote: Note that Java *never* gives any memory back to the OS, even when the heap-usage goes down. This is a Java thing, not a Tomcat thing. I did not

Re: [OT] Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-19 Thread Olaf Kock
Am 19.03.2017 um 13:37 schrieb André Warnier (tomcat): > On 17.03.2017 14:54, Christopher Schultz wrote: > >> >> Note that Java *never* gives any memory back to the OS, even when the >> heap-usage goes down. This is a Java thing, not a Tomcat thing. > > I did not know that (*), and I have never

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-19 Thread calder
On Sun, Mar 19, 2017 at 12:48 PM, André Warnier (tomcat) wrote: > On 17.03.2017 14:54, Christopher Schultz wrote: >> >> -BEGIN PGP SIGNED MESSAGE- >> Hash: SHA256 >> >> Eric, >> >> On 3/16/17 11:01 PM, Eric Chua wrote: >>> >>> I am running tomcat 8.0.121. When I start

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-19 Thread tomcat
On 17.03.2017 14:54, Christopher Schultz wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Eric, On 3/16/17 11:01 PM, Eric Chua wrote: I am running tomcat 8.0.121. When I start my tomcat, it seems to be eating up all the memory on my system. I have 16 GB, and it keeps on going. What

[OT] Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-19 Thread tomcat
On 17.03.2017 14:54, Christopher Schultz wrote: Note that Java *never* gives any memory back to the OS, even when the heap-usage goes down. This is a Java thing, not a Tomcat thing. I did not know that (*), and I have never seen this mentioned explicitly in any Java documentation (not that

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-18 Thread Mark Eggers
Eric, On 3/16/2017 8:01 PM, Eric Chua wrote: > I am running tomcat 8.0.121. When I start my tomcat, it seems to be > eating up all the memory on my system. I have 16 GB, and it keeps on > going. Then when I try to kill the process, it dies but 12 GB is > still being used even though everything

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-18 Thread Eric Chua
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px #715FFA solid !important; padding-left:1ex !important; background-color:white !important; } Thanks for getting back to me. The Linux version is 6.8.  I am unable to reclaim the memory on the system without a reboot .  

Re: Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-17 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Eric, On 3/16/17 11:01 PM, Eric Chua wrote: > I am running tomcat 8.0.121. When I start my tomcat, it seems to > be eating up all the memory on my system. I have 16 GB, and it > keeps on going. What are your memory-related parameters when you

Tomcat 8/Redhat Linux 6.6 /Kernal 2.6.32 - Memory Won't Release

2017-03-16 Thread Eric Chua
I am running tomcat 8.0.121.  When I start my tomcat, it seems to be eating up all the memory on my system.  I have 16 GB, and it keeps on going.  Then when I try to kill the process, it dies but 12 GB is still being used even though everything is turn off.  The only way to reclaim the memory